---
type: "Bill"
title: "CONTROLLED SUBSTANCES: Creates the crime of unlawful production, manufacturing, distribution, or possession of Xylazine (EN SEE FISC NOTE GF EX See Note)"
description: "CONTROLLED SUBSTANCES: Creates the crime of unlawful production, manufacturing, distribution, or possession of Xylazine (EN SEE FISC NOTE GF EX See Note)"
jurisdiction: "us/states/la"
legislature: "Louisiana Legislature"
session: "2023"
identifier: "HB 645"
citation: "Louisiana HB 645 (2023)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Dustin Miller"]
version_count: 6
action_count: 16
vote_count: 2
first_action: "2023-05-03"
last_action: "2023-06-08"
source: "openstates"
source_identifier: "ocd-bill/e8f6ddb9-3386-407f-b623-f7aeeeff9da5"
source_url: "https://www.legis.la.gov/Legis/BillInfo.aspx?i=244973"
source_hash: "700489a55a147fbd0d1865d73523eb0b61e0c60cf35bf64c6152c3686560004b"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-la"]
---

# Louisiana HB 645 (2023) — CONTROLLED SUBSTANCES: Creates the crime of unlawful production, manufacturing, distribution, or possession of Xylazine (EN SEE FISC NOTE GF EX See Note)

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **HB645 Original** (filed) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1318283)
2. **HB645 Act 183** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1332249)
3. **HB645 Engrossed** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1318418)
4. **HB645 Reengrossed** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1322653)
5. **House Floor Amendment, #2317, Miller, D., Adopted** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1318691)
6. **HB645 Enrolled** (enrolled) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1329209)

## Votes

- FINAL PASSAGE (#436) — **101–0** (pass) · lower
- FINAL PASSAGE (#622) — **38–0** (pass) · upper

## Sponsors

- Dustin Miller — primary (person)
- William "Bill" Wheat , Jr. — cosponsor (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2023-06-08** Effective date: 08/01/2023.
- **2023-06-08** Signed by the Governor. Becomes Act No. 183. `became-law, executive-signature`
- **2023-06-06** Sent to the Governor for executive approval. `executive-receipt`
- **2023-06-05** Signed by the President of the Senate.
- **2023-06-04** Enrolled and signed by the Speaker of the House. `enrolled`
- **2023-06-04** Received from the Senate without amendments. `receipt`
- **2023-06-02** Rules suspended. Read by title, passed by a vote of 38 yeas and 0 nays, and ordered returned to the House. Motion to reconsider tabled. `passage`
- **2023-06-01** Reported without Legislative Bureau amendments. Read by title and passed to third reading and final passage. `reading-3`
- **2023-05-31** Read by title and referred to the Legislative Bureau.
- **2023-05-30** Reported favorably. `committee-passage-favorable`
- **2023-05-18** Read second time by title and referred to the Committee on Judiciary C. `reading-2, referral-committee`
- **2023-05-17** Received in the Senate. Read first time by title and placed on the Calendar for a second reading. `reading-1`
- **2023-05-16** Read third time by title, amended, roll called on final passage, yeas 101, nays 0. Finally passed, title adopted, ordered to the Senate. `passage`
- **2023-05-11** Scheduled for floor debate on 05/16/2023.
- **2023-05-04** Read by title, ordered engrossed, passed to 3rd reading. `reading-3`
- **2023-05-03** Read by title, substitute title adopted, lies over in the same order of business, substitute for HB No. 106 reported by the Committee on Administration of Criminal Justice (10-0).

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/e8f6ddb9-3386-407f-b623-f7aeeeff9da5`. Confidence: reported (aggregated from official Louisiana legislature records).